Jekyll判断标签是最后一个

使用forloop.last进行判断即可, 示例如下：

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{% if page.tags.size > 0 %}
<div>
  <i class="bi bi-tags" aria-hidden="true"></i>
    {% for tag in page.tags %}
      <i class="p-1 text-info-emphasis bg-info-subtle border border-primary-subtle rounded-1">{{ tag }}</i>
      {% unless forloop.last %},{% endunless %}
    {% endfor %}
</div>
{% endif %}

forloop (属性)

Property	Description	Returns
`length`	The total number of iterations in the loop.	`number`
`parentloop`	The parent `forloop` object. If the current `for` loop isn’t nested inside another `for` loop, then `nil` is returned.	`forloop`
`index`	The 1-based index of the current iteration.	`number`
`index0`	The 0-based index of the current iteration.	`number`
`rindex`	The 1-based index of the current iteration, in reverse order.	`number`
`rindex0`	The 0-based index of the current iteration, in reverse order.	`number`
`first`	Returns `true` if the current iteration is the first. Returns `false` if not.	`boolean`
`last`	Returns `true` if the current iteration is the last. Returns `false` if not.	`boolean`